/***********************************************************************
* MicrochipsCircus.java - Source Code (requires java 1.1) *
* Version release date : June 24, 2003 *
* Copyright (C) 2001-2003 Neural Semantics sprl, Belgium *
* Author : Michel Petre mpetre@neuralsemantics.com *
* *
* http://www.neuralsemantics.com/ *
* *
* This code is released under the GNU GPL license, version 2 or *
* later, for educational and non-commercial purposes only. *
* If any part of the code is to be included in a commercial *
* software, please contact us first for a clearance at *
* info@neuralsemantics.com *
* *
* This notice must remain intact in all copies of this code. *
* This code is distributed WITHOUT ANY WARRANTY OF ANY KIND. *
* The GNU GPL license can be found at : *
* http://www.gnu.org/copyleft/gpl.html *
* *
***********************************************************************/
/* History & changes **************************************************
* *
******** July 20, 2001 ************************************************
* - First release *
******** June 24, 2003 ************************************************
* - Changed hyperlink panel *
* - added welcome text parameter *
***********************************************************************/
import java.awt.*;
import java.applet.*;
import java.awt.event.*;
public class MicrochipsCircus extends Applet
implements ActionListener,
AdjustmentListener,
MouseListener {
// program name
final static String TITLE = "The Microchips Circus";
// Line separator char
final static String LSEP = System.getProperty("line.separator");
// standard foreground color for the labels
private Color fgColor = Color.white;
// default font size
private int fontSize = 12;
// hyperlink objects
private Panel linkPanel;
private Label labelNS;
private Color inactiveLinkColor = new Color(255,255,128);
private Color activeLinkColor = Color.white;
private Font linkFont = new Font("Dialog", Font.PLAIN, fontSize);
private Panel control;
private MicrochipsPlayer player;
private Button buttonClear = new Button("Clear");
private Scrollbar barDelta, barMask;
private int valueDelta = 5;
private int valueMask = 0;
private int chipWidth = 80;
private int chipHeight = 80;
private String sWelcome;
private AppletContext appletContext;
//**********************************************************************
// Constructors
//**********************************************************************
public MicrochipsCircus() {
}
//**********************************************************************
// Methods
//**********************************************************************
public void init() {
setLayout(new BorderLayout());
setBackground(Color.black);
try {
appletContext = getAppletContext();
this.setAppletParams();
}
catch(Exception e) {
appletContext = null;
}
this.composeControl();
this.composeLink();
player = new MicrochipsPlayer();
if (appletContext == null)
player.setSize(500, 350);
player.setChipSize(chipWidth, chipHeight);
player.setDelta(valueDelta);
player.setMask(valueMask);
player.setText(sWelcome);
Panel p = new Panel();
p.setLayout(new BorderLayout());
p.add("North", linkPanel);
p.add("South", control);
add("Center", player);
add("South", p);
player.start();
}
//------------------------------------------------------------------------
private void composeControl() {
control = new Panel();
Font f = new Font("Dialog", Font.PLAIN, fontSize);
Label labelDelta = new Label("Sharpness");
labelDelta.setForeground(fgColor);
labelDelta.setFont(f);
labelDelta.setAlignment(Label.CENTER);
barDelta = new Scrollbar(Scrollbar.HORIZONTAL, valueDelta, 3, 0, 40);
barDelta.addAdjustmentListener(this);
// assign fixed size to the scrollbar
Panel pBarDelta = new Panel();
pBarDelta.setLayout(null);
pBarDelta.add(barDelta);
barDelta.setSize(90, 16);
pBarDelta.setSize(90, 16);
Panel pDelta = new Panel();
pDelta.add(labelDelta);
pDelta.add(pBarDelta);
Label labelMask = new Label("Colors");
labelMask.setForeground(fgColor);
labelMask.setFont(f);
labelMask.setAlignment(Label.CENTER);
barMask = new Scrollbar(Scrollbar.HORIZONTAL, valueMask, 3, 0, 7);
barMask.addAdjustmentListener(this);
// assign fixed size to the scrollbar
Panel pBarMask = new Panel();
pBarMask.setLayout(null);
pBarMask.add(barMask);
barMask.setSize(90, 16);
pBarMask.setSize(90, 16);
Panel pMask = new Panel();
pMask.add(labelMask);
pMask.add(pBarMask);
Panel pClear = new Panel();
pClear.add(new Label(" "));
pClear.add(buttonClear);
buttonClear.setFont(new Font("Dialog", Font.PLAIN, 14));
buttonClear.addActionListener(this);
control.add(pDelta);
control.add(pMask);
control.add(pClear);
}
//------------------------------------------------------------------------
private void composeLink() {
linkPanel = new Panel();
linkPanel.setLayout(new FlowLayout(FlowLayout.CENTER, 0, 5));
linkPanel.setFont(linkFont);
linkPanel.setForeground(Color.yellow);
Label labelName = new Label(TITLE + " \u00a9");
labelName.setForeground(inactiveLinkColor);
labelName.setFont(linkFont);
labelName.setAlignment(Label.RIGHT);
labelNS = new Label(" Neural Semantics ");
labelNS.setForeground(inactiveLinkColor);
labelNS.setFont(linkFont);
labelNS.setAlignment(Label.LEFT);
Panel pNS = new Panel();
pNS.setLayout(new FlowLayout(FlowLayout.CENTER, 0, 0));
pNS.add(labelNS);
linkPanel.add(labelName);
linkPanel.add(pNS);
// link to Neural Semantics website
if (appletContext != null) {
String h = getDocumentBase().getHost();
if ((h.length() > 4) && (h.substring(0, 4).equals("www.")))
h = h.substring(4);
if ((h != null) && (! h.startsWith("neuralsemantics.com"))) {
// create a hand cursor for the hyperlink area
Cursor linkCursor = new Cursor(Cursor.HAND_CURSOR);
pNS.setCursor(linkCursor);
labelName.addMouseListener(this);
labelNS.addMouseListener(this);
}
}
}
//------------------------------------------------------------------------
public void stop() {
player.stop();
}
//------------------------------------------------------------------------
public void destroy() {
player.destroy();
}
//**********************************************************************
// ActionListener Interface
//**********************************************************************
public void actionPerformed(ActionEvent e) {
Object source = e.getSource();
if (source == buttonClear) {
player.clear();
}
}
//**********************************************************************
// AdjustmentListener Interface
//**********************************************************************
public void adjustmentValueChanged(AdjustmentEvent e) {
Object source = e.getSource();
if (source == barDelta) {
player.setDelta(barDelta.getValue());
}
else if (source == barMask) {
player.setMask(barMask.getValue());
}
}
//**********************************************************************
// MouseListener Interface
//**********************************************************************
public void mouseClicked(MouseEvent e) {
}
//-------------------------------------------
public void mouseEntered(MouseEvent e) {
// text color rollover
labelNS.setForeground(activeLinkColor);
if (appletContext != null)
showStatus("Click to connect to Neural Semantics home page");
}
//-------------------------------------------
public void mouseExited(MouseEvent e) {
// text color rollover
labelNS.setForeground(inactiveLinkColor);
if (appletContext != null)
showStatus("");
}
//-------------------------------------------
public void mousePressed(MouseEvent e) {
// link to Neural Semantics website
if (appletContext != null) {
String h = getDocumentBase().getHost();
if ((h.length() > 4) && (h.substring(0, 4).equals("www.")))
h = h.substring(4);
if ((h != null) && (! h.startsWith("neuralsemantics.com"))) {
try {
java.net.URL url =
new java.net.URL("http://www.neuralsemantics.com/");
appletContext.showDocument(url);
}
catch(Exception ex){ }
}
}
}
//-------------------------------------------
public void mouseReleased(MouseEvent e) {
}
//**********************************************************************
// Applet info
//**********************************************************************
public String getAppletInfo() {
String s = "The microchips circus" + LSEP + LSEP +
"A digital art generator applet" + LSEP +
"Copyright (c) Neural Semantics, 2001-2003" + LSEP + LSEP +
"Home page : http://www.neuralsemantics.com/";
return s;
}
//------------------------------------------------------------------------
private void setAppletParams() {
// read the HTML parameters
String param = getParameter("clipW");
if (param != null) {
try {
chipWidth = Integer.valueOf(param).intValue();
}
catch (NumberFormatException e) { }
}
param = getParameter("clipH");
if (param != null) {
try {
chipHeight = Integer.valueOf(param).intValue();
}
catch (NumberFormatException e) { }
}
sWelcome = getParameter("text");
}
//**********************************************************************
// Main method
//**********************************************************************
public static void main(String[] args) {
WindowListener w = new WindowAdapter() {
public void windowClosing(WindowEvent e) {
System.exit(0);
}
};
Frame frame = new Frame();
MicrochipsCircus applet = new MicrochipsCircus();
applet.init();
frame.add(applet);
frame.addWindowListener(w);
frame.pack();
frame.show();
}
}
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